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Fysetc panel, RUMBA and ReARM pins, SPI mode 3 (#13900)

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This commit is contained in:
Bob Kuhn
2019-05-04 17:59:36 -05:00
committed by Scott Lahteine
parent 3cad0f08d9
commit c48e6be366
14 changed files with 549 additions and 16 deletions
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15
Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp
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@ -158,7 +158,19 @@ uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
break;
case U8G_COM_MSG_CHIP_SELECT:
u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);
#if ENABLED(FYSETC_MINI_12864) // LCD SPI is running mode 3 while SD card is running mode 0
if (arg_val) { // SCK idle state needs to be set to the proper idle state before
// the next chip select goes active
u8g_SetPILevel(u8g, U8G_PI_SCK, 1); // Set SCK to mode 3 idle state before CS goes active
u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
}
else {
u8g_SetPILevel(u8g, U8G_PI_CS, HIGH);
u8g_SetPILevel(u8g, U8G_PI_SCK, 0); // Set SCK to mode 0 idle state after CS goes inactive
}
#else
u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);
#endif
break;
case U8G_COM_MSG_WRITE_BYTE:
@ -192,5 +204,4 @@ uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
}
#endif // HAS_GRAPHICAL_LCD
#endif // TARGET_LPC1768